A large, flat-bottomed boat used to carry cargo from a port to shallow-draft waterways. Barges have no locomotion and are pushed by towboats. A single, standard barge can hold 1,500 tons of cargo or as much as either 15 railroad cars or 60 trucks can carry. A barge is 200 feet long, 35 feet wide and has a draft of 9 feet. Barges carry dry bulk (grain, coal, lumber, gravel, etc.) and liquid bulk (petroleum, vegetable oils, molasses, etc.).